@unpublished{WilhelmWideraGrikscheitetal.2021, author = {Alexander Wilhelm and Marek Widera and Katharina Grikscheit and Tuna Toptan and Barbara Schenk and Christiane Pallas and Melinda Metzler and Niko Kohmer and Sebastian Hoehl and Fabian Arnold Helfritz and Timo Wolf and Udo G{\"o}tsch and Sandra Ciesek}, title = {Reduced neutralization of SARS-CoV-2 Omicron variant by vaccine sera and monoclonal antibodies}, institution = {Medizin}, pages = {9}, year = {2021}, }